Kumis, a popular fermented dairy product, has several synonyms in different languages. In the Mongolian language, it is known as "airag," while in the Kazakh and Kyrgyz language, it is called "kymyz." The Turkish term for kumis is "kefir," and in Pakistan and India, it is known as "lacto-fermented milk" or "lassi." Other synonyms for kumis include "yogurt drink" and "cultured milk." Despite having different names, the process of fermenting milk to make kumis or its equivalents is similar, and it is a common beverage in many cultures around the world.